| 摘要 |
A grinder-type juicer including an upper and lower plate which squeeze foodstuff while rotating. The upper plate has spiral-shaped guide grooves (or elongated guide lands), the lower plate has juice-squeezing grooves. The juice is squeezed by the oblique action between the two grooves when the upper and lower plates rotate relative to each other in opposite directions with the juice dropping under its own weight and the residue being discharged at the outer edge of the lower plate.
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